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RPZ allows a DNS recursive resolver to choose specific actions to be performed for a number of collections of domain name data (zones). For each zone, the DNS service may choose to perform full resolution (normal behaviour), or other actions, including declaring that the requested domain does not exist (technically, NXDOMAIN), or that the user should visit a different domain (technically ...
A response policy zone (RPZ) is a mechanism to introduce a customized policy in Domain Name System servers, so that recursive resolvers return possibly modified results. A modified result can block access to the corresponding host. Usage of an RPZ is based on DNS data feeds, known as zone transfer, from an RPZ provider to the deploying server.
These devices working as a firewall router use packet filtering, DNS response policy zone (RPZ) and deep packet inspection (DPI) methods to block inappropriate web content. These methods have been used in commercial and governmental communication networks.
This list of DNS record types is an overview of resource records (RRs) permissible in zone files of the Domain Name System (DNS). It also contains pseudo-RRs.
A wildcard DNS record is a record in a DNS zone that will match requests for non-existent domain names. A wildcard DNS record is specified by using a * as the leftmost label (part) of a domain name, e.g. *.example.com. The exact rules for when a wildcard will match are specified in RFC 1034, but the rules are neither intuitive nor clearly ...
RPZ may refer to: Reduced pressure zone device, a type of backflow prevention device; Response policy zone, a mechanism for use by Domain Name System recursive resolvers; Residents parking zone, practice of designating certain on-street car parking spaces for the exclusive use of nearby residents
Dot-separated fully qualified domain names are the primarily used form for human-readable representations of a domain name. Dot-separated domain names are not used in the internal representation of labels in a DNS message [7] but are used to reference domains in some TXT records and can appear in resolver configurations, system hosts files, and URLs.
Split-horizon DNS can provide a mechanism for security and privacy management by logical or physical separation of DNS information for network-internal access (within an administrative domain, e.g., company) and access from an unsecure, public network (e.g. the Internet).
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